Good Quality Polyurethane Rigid Foam - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV

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We stay with the basic principle of "quality initially, services first, steady improvement and innovation to fulfill the customers" for your management and "zero defect, zero complaints" as the quality objective. To perfect our company, we give the goods while using the good high-quality at the reasonable selling price for Pcl Prepolymer, High Transparency, High Hardness, Please send us your specifications and requirements, or feel free to contact us with any questions or inquiries that you may have.
Good Quality Polyurethane Rigid Foam - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV Detail:

Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam

INTRODUCTION

DonFoam 812/PIR is a kind of blend polyols with  hcfc-141b foaming agent, with polyol as the main raw material, mixed with special auxiliary agent, suitable for the insulation of construction, transportation, shell and other products.The polyurethane product prepared by reacting it with isocyanate has the following advantages:

1.Foam has uniform strength and dimensional stability in all directions

2.The foam products can be cut into different shapes according to the requirements of the product

3.Excellent thermal insulation performance

PHYSICAL PROPERTY

 

DonFoam 812/PIR

Appearance                 

OH value                  mgKOH/g

Dynamic viscosity (25℃)      mPa.S

Density (20℃)      g/ml

Storage temperature               ℃

Storage stability ※         month

Light yellow to brown transparent liquid

150-250

200-300

1.15-1.25

10-25

6

RECOMMENDED RATIO

 

Pbw

DonFoam 812/PIR

Isocyanate

100

150-200

TECHNOLOGY AND REACTIVITY (the exact value varies depending on processing conditions)

 

Manual Mix

High pressure

Raw Material Temperature      ℃

Cream time       S

Gel time      S

Tack free time      S

Free density  Kg/m3

20-25

30-50

140-180

300-350

28-32

20-25

25-45

120-160

270-320

27-31

FOAM PERFORMANCES

Overall Molding Density

Closed-cell Rate

Initial Thermal Conductivity(15℃)

Compressive Strength

Dimensional Stability   24h  -20℃

                   24h  100℃

Flammability

GB/T 6343

 GB/T 10799

GB/T 3399

GB/T 8813

GB/T 8811

 

GB/T 8624

≥50 Kg/m3

≥90%

≤22mW/m.k

≥150 KPa

≤0.5%

≤1.0%

B2、B1


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Good Quality Polyurethane Rigid Foam - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV detail pictures


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Our commission is to serve our users and clients with best quality and competitive portable digital products for Good Quality Polyurethane Rigid Foam - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV , The product will supply to all over the world, such as: Finland, Finland, Norway, Looking forward, we will keep pace with the times, continuing to create new products. With our strong research team, advanced production facilities, scientific management and top services, we will supply high quality products to our customers worldwide. We sincerely invite you to be our business partners for mutual benefits.
  • The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
    5 Stars By Claire from Monaco - 2018.10.09 19:07
    Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
    5 Stars By Grace from Hungary - 2018.03.03 13:09
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